Membership
Tour
Register
Log in
Willard L. Pigg
Follow
Person
Summertown, TN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Ventilated roof and wall structure
Patent number
5,487,247
Issue date
Jan 30, 1996
Willard L. Pigg
F24 - HEATING RANGES VENTILATING